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Linux Admin / Oracle certified professional

Russia
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Last active: 21 hours ago
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Tests: 11
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Portfolio: 1

Under construction...
I start my IT career since 1992 using FoxBase by IBM-compatible 286AT computer. Today my phone have more powerfull CPU :-)
In Linux from 1997, begun from Redhat 6.0
In Oracle from 2003, begun from 8.1.7
10g OCP Certified in 2007.
Microsoft MCP in 2007.
http://krasitel.blogspot.com

Database Specialist (Design, Tuning and Development)

Philippines
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Last active: 3 days ago
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Tests: 3
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Portfolio: 4

More than 15 years experience in database architecture, development, optimization and administration as well as business intelligence, using Oracle, MySQL and PostgreSQL and MongoDB databases.
Particularly interested in architecture, development and tuning to support high performance applications and back-end business intelligence and reporting.
Explores and uses databases features available such as stored programs, triggers, special table types and functions to develop best-fit solutions. Also uses tools to determine
Knowledgeable in data warehousing techniques and use of tools such as Pentaho Business Intelligence platform. and developing ad-hoc scripts for reporting and ETL.
I was also 2012's top expert for MySQL Server in Experts-Exchange.com (http://www.experts-exchange.com/expertAwards/annual.jsp?year=2012). I have also developed some tools to help me manage MySQL (https://github.com/johanntagle/modified_query_profiler and https://github.com/johanntagle/mysql_online_alter_table), though I have since used more sophisticated tools from companies such as Percona.

Network System Engineer/System Administrator - FreeBSD/Linux/Solaris

Russia
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Last active: 22 days ago
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Tests: 7

I am Senior network engineer/Architect searching job at free time (usually few hours/day).
Now i am working at Cisco/Juniper Partner in System Integration Company.
I have built projects for ISP: IP and/or IP/MPLS networks from small provider (up to 700 users, pure IP/L2) to nationwide backbone and broadband networks (IP/MPLS Core with BGP and complex TE, B-RAs).
All the MPLS services: Internet, L3VPN, VPLS, L2VPN, mVPN; including InterAS and CsC cases.
Participate on all project stages from presale (equipment choose and design) to implementation and documenting, and further high-level support for networks, usually remote.
I know in detail and have big practice of various network technologies:
Routing: BGP, OSPF, EIGRP, ISIS, LDP, RSVP TE, NAT (all cases)
VPN: MPLS VPN, GRE (PPTP, DMVPN), IPSEC
Security: Firewall - Cisco PIX/ASA, Juniper SRX access-lists/filters - CBAC/ZBF
QoS: can develop and deploy you traffic classes, implement marking and queuing and shaping,
policies and your needs, including multi-color policers.
Deploying different main and complementary services for ISP on UNIX/Linux/Solaris/Windows platforms, including virtualized ones:
DHCP, DNS, Radius, Tacacs+, Mail, HTTP servers, SNMP, j/netflow collecting, integration with billing systems, MySQL and other.
Big experience in automation:
building different monitoring, configuration, self-healing scripts also for large amount of devices using multitasking. Bash, Perl scripting
Have big experience in Cisco/Juniper product line from small routers to top line (CRS/TX Matrix). Also know and have practice of using many network hardware vendors (Extreme/Foundry/Dlink/Zyxel/Huawei).
Programming experience:
Perl (many scripting mainly on UNIX), PHP (made full project for university for student contract system, using MySQL, Javascript also),
Shell scripting - bash, awk, sed, beginning to learn Python,
C/C++ - some small application and system programming, MFC (Microsoft Foundation Classes), can easily modify program code.
Also have experience in Windows administration AD deploying till W2003. Huge experience of user support.
The rate can be lower if project topic is interesting for me but i don't have corresponding experience for it.
I am taking full responsibility of my work.
Have strong tradition to make documentation on my work.
If you have big projects, which requires presence in the site we can discuss it.

Networking/VoIP/Build/Test/SQA Professional

United States
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Last active: 14 days ago
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Tests: 4
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Portfolio: 1

I'm proficient in networking (Cisco - working on CCNA), operating systems (Linux, UNIX, Windows, MacOS and a few others) as well as Open Source PBX systems such as Asterisk, Trixbox, FreePBX, Elastix and PBXInAFlash.
I have done extensive SQA (software testing) as well as scripting (bash) for administration of various servers. I can code in Python, PHP and some Java and Java Enterprise. I've worked extensively with Jenkins for build/deployment environments.
I'm quite skilled with web application type servers, including Apache, Tomcat, JBoss, as well as various mail relays - Postfix and Sendmail.
When it comes to security, I'm quite proficient at the command line with iptables as well as some open source type firewalls (Sonicwall). I am no stranger to packet analysis/sniffing a network with tools such as Wireshark, ettercap and nmap.

Web and VoIP(FreeSWITCH, WebRTC) engineer

Russia
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Last active: 3 days ago
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Tests: 4
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Portfolio: 2

I'm a skilled software developer and VoIP engineer with more than 15 years of experience. I'm also a full-stack developer of the convergent systems of voip and web. Playing with Freeswitch, Kazoo, SipXecs, Ruby, Perl, JS(node.js), C/C++ and much, much more - I'm always choosing tools for the task.
Probably the most important thing which differs me from others - I'm never working just to gain money. I'm always doing my best to reach your goal the fastest way possible. If you've chosen a non-optimal solution I'll correct it and suggest a more efficient way. I'm never promising something that you're probably expecting to hear instead of the realistic estimate of your project. I'm never lying to my clients and I'm always giving all the information I have - transparently and on a regular basis. In one word - you can trust me as you trust yourself.

GIS Developer / DBA / SysAdmin / Web Developer

Mexico
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Last active: 12/14/2014
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Tests: 2
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Portfolio: 5

I am a GIS developer expert, using these technologies: Mapserver (maps on the fly), MapScript (PHP, Perl), PostGIS, Arcobjects. NET, GeoServer, GeoTools, GDAL and OGR, and OpenLayers, google maps api, leaflet.
I use Front end Technologies such as JavaScript (jquery, require.js, backbone), Adobe Flex, HTML, and responsive framework Bootstrap
I have developed applications using various technologies, for Desktop using vb.NET and Web Servers with Linux RHEL, CentOS, Slackware managing services and custom configuration as Apache, Tomcat, Database like PostgreSQL and MySQL, with programming languages ​​like PHP and Perl

Senior telecoms developer/CTO

United States
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Last active: 6 months ago
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Tests: 2

I've been developing software commercially for more than a quarter of a century, both as an employee of large organisations (IBM) and, to a greater extent, as my own boss. I've built and sold two businesses along the way, learning a great deal from having done so.
My focus has been on telecoms. I developed TDM IVR systems based around Aculab and Dialogic cards in the late 1990s, and have, more recently, been involved in developing IP solutions using Asterisk, Kamailio and FreeSWITCH. These have included an IP Centrex platform (Asterisk and SER), a carrier-grade softswitch (FreeSWITCH) and various IVR solutions (Kamailio and FreeSWITCH).
I'm fluent in a number of languages, including C, PHP, Perl, C# and Javascript, am happy to develop on Windows or Linux and have been using Agile development methods - in particular, release early and often - since before the term Agile was coined.
I'm experienced with managing small teams of developers, and understand the importance of delivering the agreed product on time and within budget.

To obtain a position that will enable me to experience and learn new ideas on system administration like complicated enterprise infrastructure design specially high-availability and fault-tolerant infrastructres.
My core competency lies in designing new system infrastructure using open-source software.
I also have some experience in VB6, ASP, PHP.
http://clusterfoundry.com